Is CVE-2006-3431 in the CISA KEV catalog?

No. CVE-2006-3431 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2006-3431?

CVE-2006-3431 has a CVSS v2 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2006-3431?

CVE-2006-3431 has an EPSS score of 28.32% (98th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2006-3431

HIGHEPSS 98th pctl

7.5

CVSS v2

NVD

Description

Buffer overflow in certain Asian language versions of Microsoft Excel might allow user-assisted attackers to execute arbitrary code via a crafted STYLE record in a spreadsheet that triggers the overflow when the user attempts to repair the document or selects the "Style" option, as demonstrated by nanika.xls. NOTE: Microsoft has confirmed to CVE via e-mail that this is different than the other Excel vulnerabilities announced before 20060707, including CVE-2006-3059 and CVE-2006-3086.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

28.32%probability of exploitation in 30 days

98thpercentile

Very high risk: more likely to be exploited than 98% of all known CVEs.

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-16.